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[Bug 2121628] [NEW] Fingerprint authentication configuration improvement request

 

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I've had a hard time (as a tech savy user, but not a Linux expert at
all) to configure fingerprint sensor in a similar way Mac or Windows
would use it. Right now, there is no other config than to enroll
fingerprints themselves.

By this, I mean that when I enroll my fingerprint with Gnome GUI
Settings, it doesn't propose which option I wanna be able to use it with
(automatic pam.d configuration).

This said, if I use my fingerprint on first login after booting the
computer, Gnome asks for my password afterwards to unlock the keyring.
Why is it possible to login using fingerprint at first, then?

Also, I wanna use my fingerprint both in the terminal (sudo) and when
GUI asks for privileges. I've had to configure /etc/pam.d files using
guides here and there online and have had a hard time to find all the
good options for my needs. pam-auth-update was not a solution, because
it edits /etc/pam.d/common-auth and overrides everything else by
imposing fingerprint, which is not my intention.

I would like the GUI fingerprint enrollment page to give options of
where and when this feature should be used, so noobies like me would
have less of a hard time configuring it.

Also, it would be great if the documentation would explain which option
can be activated where, so even if users have to use the terminal, it is
clear for them what to edit.


# System Details Report
---

## Report details
- **Date generated:**                              2025-08-28 18:03:42

## Hardware Information:
- **Hardware Model:**                              Lenovo ThinkPad P14s Gen 1
- **Memory:**                                      16.0 GiB
- **Processor:**                                   Intel® Core™ i5-10310U × 8
- **Graphics:**                                    Intel® UHD Graphics (CML GT2)
- **Graphics 1:**                                  Quadro P520
- **Disk Capacity:**                               512.1 GB

## Software Information:
- **Firmware Version:**                            N2XET43W (1.33 )
- **OS Name:**                                     Ubuntu 25.04
- **OS Build:**                                    (null)
- **OS Type:**                                     64-bit
- **GNOME Version:**                               48
- **Windowing System:**                            Wayland
- **Kernel Version:**                              Linux 6.14.0-28-generic

** Affects: gnome-settings-daemon (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
Fingerprint authentication configuration improvement request
https://bugs.launchpad.net/bugs/2121628
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